diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/ruby/random.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/include/ruby/random.h b/include/ruby/random.h index 5b024b0aee..fb4bbf341e 100644 --- a/include/ruby/random.h +++ b/include/ruby/random.h @@ -31,9 +31,6 @@ typedef struct { rb_random_get_real_func *get_real; } rb_random_interface_t; -#define rb_rand_if(obj) \ - ((const rb_random_interface_t *)RTYPEDDATA_TYPE(obj)->data) - #define RB_RANDOM_INTERFACE_DECLARE(prefix) \ static void prefix##_init(rb_random_t *, const uint32_t *, size_t); \ static unsigned int prefix##_get_int32(rb_random_t *); \ @@ -70,4 +67,16 @@ void rb_rand_bytes_int32(rb_random_get_int32_func *, rb_random_t *, void *, size RUBY_EXTERN const rb_data_type_t rb_random_data_type; RBIMPL_SYMBOL_EXPORT_END() + +RBIMPL_ATTR_PURE_UNLESS_DEBUG() +/* :TODO: can this function be __attribute__((returns_nonnull)) or not? */ +static inline const rb_random_interface_t * +rb_rand_if(VALUE obj) +{ + RBIMPL_ASSERT_OR_ASSUME(RTYPEDDATA_P(obj)); + const struct rb_data_type_struct *t = RTYPEDDATA_TYPE(obj); + const void *ret = t->data; + return RBIMPL_CAST((const rb_random_interface_t *)ret); +} + #endif /* RUBY_RANDOM_H */ |